fix(cli): improve Node compatibility by removing top-level Deno API usage (#6837)

Author: ryuapp

cli/_prompt_select.ts

@@ -7,8 +7,6 @@ const SAFE_PADDING = 4;
 const MORE_CONTENT_BEFORE_INDICATOR = "...";
 const MORE_CONTENT_AFTER_INDICATOR = "...";
 
-const input = Deno.stdin;
-const output = Deno.stdout;
 const encoder = new TextEncoder();
 const decoder = new TextDecoder();
 
@@ -40,6 +38,8 @@ export function handlePromptSelect<V>(
     inputStr(): void;
   }) => boolean | "return",
 ) {
+  const input = Deno.stdin;
+  const output = Deno.stdout;
   const indexedValues = values.map((value, absoluteIndex) => ({
     value,
     absoluteIndex,

cli/prompt_secret.ts

@@ -1,7 +1,6 @@
 // Copyright 2018-2025 the Deno authors. MIT license.
 
-const input = Deno.stdin;
-const output = Deno.stdout;
+import { isWindows } from "@std/internal/os";
 const encoder = new TextEncoder();
 const decoder = new TextDecoder();
 const LF = "\n".charCodeAt(0); // ^J - Enter on Linux
@@ -12,9 +11,7 @@ const CLR = encoder.encode("\r\u001b[K"); // Clear the current line
 const MOVE_LINE_UP = encoder.encode("\r\u001b[1F"); // Move to previous line
 
 // The `cbreak` option is not supported on Windows
-const setRawOptions = Deno.build.os === "windows"
-  ? undefined
-  : { cbreak: true };
+const setRawOptions = isWindows ? undefined : { cbreak: true };
 
 /** Options for {@linkcode promptSecret}. */
 export type PromptSecretOptions = {
@@ -47,6 +44,8 @@ export function promptSecret(
   message = "Secret",
   options?: PromptSecretOptions,
 ): string | null {
+  const input = Deno.stdin;
+  const output = Deno.stdout;
   const { mask = "*", clear } = options ?? {};
 
   if (!input.isTerminal()) {
@@ -90,7 +89,7 @@ export function promptSecret(
 
   output.writeSync(encoder.encode(message));
 
-  Deno.stdin.setRaw(true, setRawOptions);
+  input.setRaw(true, setRawOptions);
   try {
     return readLineFromStdinSync(callback);
   } finally {
@@ -99,7 +98,7 @@ export function promptSecret(
     } else {
       output.writeSync(encoder.encode("\n"));
     }
-    Deno.stdin.setRaw(false);
+    input.setRaw(false);
   }
 }
 
@@ -112,7 +111,7 @@ function readLineFromStdinSync(callback?: (n: number) => void): string {
   const buf = [];
 
   while (true) {
-    const n = input.readSync(c);
+    const n = Deno.stdin.readSync(c);
     if (n === null || n === 0) {
       break;
     }

cli/unstable_prompt_multiple_select.ts

@@ -45,8 +45,6 @@ const DELETE = "\u007F";
 const CHECKED = "◉";
 const UNCHECKED = "◯";
 
-const input = Deno.stdin;
-
 /**
  * Shows the given message and waits for the user's input. Returns the user's selected value as string.
  *
@@ -105,7 +103,7 @@ export function promptMultipleSelect<V = undefined>(
   values: PromptEntry<V>[],
   options: PromptMultipleSelectOptions = {},
 ): PromptEntry<V>[] | null {
-  if (!input.isTerminal()) return null;
+  if (!Deno.stdin.isTerminal()) return null;
 
   const selectedAbsoluteIndexes = new Set<number>();
 

cli/unstable_prompt_select.ts

@@ -41,8 +41,6 @@ const ARROW_DOWN = "\u001B[B";
 const CR = "\r";
 const DELETE = "\u007F";
 
-const input = Deno.stdin;
-
 /**
  * Shows the given message and waits for the user's input. Returns the user's selected value as string.
  *
@@ -104,7 +102,7 @@ export function promptSelect<V = undefined>(
   values: PromptEntry<V>[],
   options: PromptSelectOptions = {},
 ): PromptEntry<V> | null {
-  if (!input.isTerminal()) return null;
+  if (!Deno.stdin.isTerminal()) return null;
 
   let selectedIndex = 0;